Equations balanced on the previous day | Equations balanced on the next day |
4 Cr + 3 O2 = 2 Cr2O3
Cr{3+} + MnO2 + OH{-} = CrO4{-2} + Mn{2+} + H2O =>
2 Cr{3+} + 3 MnO2 + 4 OH{-} = 2 CrO4{-2} + 3 Mn{2+} + 2 H2O
Br2 + KI = I2 + KBr =>
Br2 + 2 KI = I2 + 2 KBr
Na2[Pb(OH)4] + CH3COOH + NaClO = PbO2 + NaCl + CH3COONa + H2O =>
Na2[Pb(OH)4] + 2 CH3COOH + NaClO = PbO2 + NaCl + 2 CH3COONa + 3 H2O
CaCl2 + Na3PO4 = Ca3(PO4)2 + NaCl =>
3 CaCl2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaCl
NaCl + H2SO4 = Na2SO4 + HCl =>
2 NaCl + H2SO4 = Na2SO4 + 2 HCl
AlCl3 + Na2CO3 = Al2(CO3)3 + NaCl =>
2 AlCl3 + 3 Na2CO3 = Al2(CO3)3 + 6 NaCl
MNO4{-} + C2O4{2-} + H{+} = MN{2+} + CO2 + H2O =>
2 MNO4{-} + 5 C2O4{2-} + 16 H{+} = 2 MN{2+} + 10 CO2 + 8 H2O
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
Fe(OH)3 = Fe2O3 + H2O =>
2 Fe(OH)3 = Fe2O3 + 3 H2O
Al(OH)3 + HCl = AlCl3 + H2O =>
Al(OH)3 + 3 HCl = AlCl3 + 3 H2O
MgCO3 = MgO + CO2 =>
MgCO3 = MgO + CO2
CH2O = C12 + H22 + O11 =>
132 CH2O = 11 C12 + 12 H22 + 12 O11
CAC2 + H2O = C2H2 + CA(OH)2 =>
CAC2 + 2 H2O = C2H2 + CA(OH)2
NH4NO2 = N2 + H2O =>
NH4NO2 = N2 + 2 H2O
N2 + O2 = NO =>
N2 + O2 = 2 NO
ethanol + oxygen = carbondioxide + water =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
Ca + AlCl3 = CaCl2 + Al =>
3 Ca + 2 AlCl3 = 3 CaCl2 + 2 Al
Ca3(PO4)2 + SiO2 + C = CaSiO3 + P4 + CO =>
2 Ca3(PO4)2 + 6 SiO2 + 10 C = 6 CaSiO3 + P4 + 10 CO
Na3PO4 + CaCl2 = Ca3(PO4)2 + NaCl =>
2 Na3PO4 + 3 CaCl2 = Ca3(PO4)2 + 6 NaCl
NH4NO3 + Na2CO3 = NH4CO3 + Na2NO3 =>
NH4NO3 + Na2CO3 = NH4CO3 + Na2NO3
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
NAO + H20 = NAOH =>
20 NAO + H20 = 20 NAOH
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
(NH4)2Cr2O7 = N2 + Cr2O3 + H2O =>
(NH4)2Cr2O7 = N2 + Cr2O3 + 4 H2O
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
CH3CH2OH + O2 = H2O + CH3COOH =>
CH3CH2OH + O2 = H2O + CH3COOH
CO2 + NH3 = OC(NH2)2 + H2O =>
CO2 + 2 NH3 = OC(NH2)2 + H2O
Mg + N2 = Mg3N2 =>
3 Mg + N2 = Mg3N2
Al + HNO3 = Al(NO3)3 + NH4NO3 + H2O =>
8 Al + 30 HNO3 = 8 Al(NO3)3 + 3 NH4NO3 + 9 H2O
Zn + Cu(NO3)2 = Zn(NO3)2 + Cu =>
Zn + Cu(NO3)2 = Zn(NO3)2 + Cu
CH2CH2CH2 + H2O = CH3CH2OH =>
2 CH2CH2CH2 + 3 H2O = 3 CH3CH2OH
MgO + HCl = MgCl2 + H2O =>
MgO + 2 HCl = MgCl2 + H2O
CH3NH2 + O2 = CO2 + H2O + N2 =>
4 CH3NH2 + 9 O2 = 4 CO2 + 10 H2O + 2 N2
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
H4As2O7 + Na(OH) = Na4(As2O7) + H2O =>
H4As2O7 + 4 Na(OH) = Na4(As2O7) + 4 H2O
CH2CH2CH2 + H2O = CH3CH2OH =>
2 CH2CH2CH2 + 3 H2O = 3 CH3CH2OH
Al2(SO4)3 + NaOH = Al(OH)3 + Na2SO4 =>
Al2(SO4)3 + 6 NaOH = 2 Al(OH)3 + 3 Na2SO4
Be(OH)2 = BeO + H2O =>
Be(OH)2 = BeO + H2O
(NH4)2CO3 + Ca(C2H3O2)2 = NH4C2H3O2 + CaCO3 =>
(NH4)2CO3 + Ca(C2H3O2)2 = 2 NH4C2H3O2 + CaCO3
H3C6H5O7 + NaHCO3 = Na3C5H6O7 + H2O + CO2 =>
5 H3C6H5O7 + 18 NaHCO3 = 6 Na3C5H6O7 + 11 H2O + 18 CO2
KMnO4 = K2O + MnO + O2 =>
4 KMnO4 = 2 K2O + 4 MnO + 5 O2
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
NaOH + H2CO3 = Na2CO3 + H2O =>
2 NaOH + H2CO3 = Na2CO3 + 2 H2O
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
SnBr4 + Cl2 = SnCl4 + Br2 =>
SnBr4 + 2 Cl2 = SnCl4 + 2 Br2
Pb(C2H3O2)2 + KI = PbI2 + KC2H3O2 =>
Pb(C2H3O2)2 + 2 KI = PbI2 + 2 KC2H3O2
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
I2 + Ca = CaI =>
I2 + 2 Ca = 2 CaI
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